package com.kuang.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;

/**
 * @program: springboot-03-web
 * @description:
 * @author: 陈恩涛
 * @create: 2020-10-22 06:54
 **/

@Controller
public class LoginController {

    @RequestMapping("/user/login")
    public String login(
            @RequestParam("username") String username,
            @RequestParam("password") String password,
            Model model, HttpSession session){

        //具体业务
        if(!StringUtils.isEmpty(username)&&"123456".equals(password)) {

            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        }
        else{
            //告诉用户登录失败
            model.addAttribute("msg","用户名或密码错误！");
            return "index";
        }
    }

    @RequestMapping("/user/loginout")
    public String loginout(HttpSession session){
        session.removeAttribute("loginUser");
        return "redirect:/index.html";
    }
}
